
Who owns US companies, homes and aircraft, and what private lenders say their loans are worth.
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Optional. 'Bearer tdk_...' Tensorust key for full data (keys at https://shop.tensorust.com/ontology). The free tier works without it.
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Tool list from our last check. Connect live to refresh it.
Look up a US turbine aircraft by N-number (or search by registered owner name): registered owner, whether it is held by an owner trustee, model, and its FCC radio altimeter rebate category and proposed rebate.
Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.
Run in a terminal
claude mcp add --transport http ontology https://shop.tensorust.com/api/mcp
Headers
Authorization (optional, not in the config above): Optional. 'Bearer tdk_...' Tensorust key for full data (keys at https://shop.tensorust.com/ontology). The free tier works without it.Tool list last changed Nov 6, 2026.
Look up a US turbine aircraft by N-number (or search by registered owner name): registered owner, whether it is held by an owner trustee, model, and its FCC radio altimeter rebate category and proposed rebate.
| Argument | Type | Description |
|---|---|---|
| owner | string | |
| n_number | string |
{
"type": "object",
"properties": {
"owner": {
"type": "string"
},
"n_number": {
"type": "string"
}
}
}US companies whose first-lien loan two or more BDC managers mark 10+ points apart at 2026-06-30 (SEC filings), widest gap first: borrower, lowest and highest manager, marks and par. Free: the top 10. full=true: the full list with every fund's mark, par, prior-quarter mark and filing link, $0.25 per call over x402 (USDC on Base) or with a Tensorust key.
| Argument | Type | Description |
|---|---|---|
| full | boolean | true returns the full list with every fund's mark. $0.25 per call over x402, or free with a Tensorust key. |
{
"type": "object",
"properties": {
"full": {
"type": "boolean",
"description": "true returns the full list with every fund's mark. $0.25 per call over x402, or free with a Tensorust key."
}
}
}Live through earnings season: BDC funds that cut a first-lien loan's mark by 5+ points from Jun 30 to Sep 30 2026, pulled from each Q3 10-Q on EDGAR the day it is filed, biggest cut first, with the holders that have not filed Q3 yet and still carry the same loan 5+ points higher (likely next markdowns). Free: the top 10. full=true: every cut with every pending holder, $0.25 per call over x402 (USDC on Base) or with a Tensorust key.
| Argument | Type | Description |
|---|---|---|
| full | boolean | true returns every cut and pending holder. $0.25 per call over x402, or free with a Tensorust key. |
{
"type": "object",
"properties": {
"full": {
"type": "boolean",
"description": "true returns every cut and pending holder. $0.25 per call over x402, or free with a Tensorust key."
}
}
}Expand any ontology id (e.g. 'org:LOCKHEED MARTIN', 'cg:632693', 'rule:ROAD-1001') into its card. Free tier returns counts and previews; full=true returns every linked object and property for $0.05 per call over x402 (USDC on Base), or with a Tensorust key.
| Argument | Type | Description |
|---|---|---|
| id* | string | |
| full | boolean | true returns every linked object and property. Costs $0.05 per call in USDC on Base over x402 (the tool answers with x402 payment terms that an x402 MCP client pays), or free with a Tensorust key. Omit for the free preview. |
{
"type": "object",
"required": [
"id"
],
"properties": {
"id": {
"type": "string"
},
"full": {
"type": "boolean",
"description": "true returns every linked object and property. Costs $0.05 per call in USDC on Base over x402 (the tool answers with x402 payment terms that an x402 MCP client pays), or free with a Tensorust key. Omit for the free preview."
}
}
}Private credit marks for a US company: every BDC (business development company) fund that holds its first-lien term loan, the fair value each reported as a share of par in its 10-Q for 2026-06-30 (SEC filings), the manager (Ares, Blue Owl, Goldman, Golub, Apollo...) and how far the lenders disagree. A low mark by one manager tends to lead: lenders 10-20 points above the lowest peer cut by 5+ points the next quarter 20.4% of the time vs 2.8% when lenders agree. Free: lowest and highest manager mark, the gap and three funds. full=true: every fund's mark, par, prior-quarter mark and filing link, $0.05 per call over x402 (USDC on Base) or with a Tensorust key.
| Argument | Type | Description |
|---|---|---|
| full | boolean | true returns every linked object and property. Costs $0.05 per call in USDC on Base over x402 (the tool answers with x402 payment terms that an x402 MCP client pays), or free with a Tensorust key. Omit for the free preview. |
| name* | string | Borrower name, e.g. 'Pluralsight', 'CFS Management', 'Teasdale Foods' |
{
"type": "object",
"required": [
"name"
],
"properties": {
"full": {
"type": "boolean",
"description": "true returns every linked object and property. Costs $0.05 per call in USDC on Base over x402 (the tool answers with x402 payment terms that an x402 MCP client pays), or free with a Tensorust key. Omit for the free preview."
},
"name": {
"type": "string",
"description": "Borrower name, e.g. 'Pluralsight', 'CFS Management', 'Teasdale Foods'"
}
}
}Resolve a company or organization name to its Tensorust Ontology card: legal entity or control group, data sources, linked objects by type (homes owned, control group members, subsidiaries, FCC licenses, federal awards, E-Rate requests) and the federal rules that apply to it, with status. Free: counts and previews. full=true: every linked object and property, $0.05 per call over x402 (USDC on Base) or with a Tensorust key.
| Argument | Type | Description |
|---|---|---|
| full | boolean | true returns every linked object and property. Costs $0.05 per call in USDC on Base over x402 (the tool answers with x402 payment terms that an x402 MCP client pays), or free with a Tensorust key. Omit for the free preview. |
| name* | string | Organization name, e.g. 'Invitation Homes', 'Lockheed Martin', 'Nexstar' |
{
"type": "object",
"required": [
"name"
],
"properties": {
"full": {
"type": "boolean",
"description": "true returns every linked object and property. Costs $0.05 per call in USDC on Base over x402 (the tool answers with x402 payment terms that an x402 MCP client pays), or free with a Tensorust key. Omit for the free preview."
},
"name": {
"type": "string",
"description": "Organization name, e.g. 'Invitation Homes', 'Lockheed Martin', 'Nexstar'"
}
}
}List the federal rules Tensorust models (ROAD Act investor ban, DoD SF 328 ownership disclosure, FCC foreign adversary attestation, Upper C-band elections, E-Rate deadlines) with counts and the first organizations each applies to. Pass rule_id for one rule (first 25 names, free); add full=true for the full named list with evidence, $0.25 per call over x402 (USDC on Base), or with a Tensorust Radar or Ontology key.
| Argument | Type | Description |
|---|---|---|
| full | boolean | With rule_id, true returns every organization the rule applies to, with evidence. Costs $0.25 per call in USDC on Base over x402, or free with a Tensorust Radar or Ontology key. Omit for the first 25 names, free. |
| rule_id | string | Optional, e.g. ROAD-1001, DFARS-FOCI, FCC-FAC |
{
"type": "object",
"properties": {
"full": {
"type": "boolean",
"description": "With rule_id, true returns every organization the rule applies to, with evidence. Costs $0.25 per call in USDC on Base over x402, or free with a Tensorust Radar or Ontology key. Omit for the first 25 names, free."
},
"rule_id": {
"type": "string",
"description": "Optional, e.g. ROAD-1001, DFARS-FOCI, FCC-FAC"
}
}
}Search organizations, control groups and other objects by name. Returns up to 15 matches with ids, types, number of sources and links.
| Argument | Type | Description |
|---|---|---|
| query* | string |
{
"type": "object",
"required": [
"query"
],
"properties": {
"query": {
"type": "string"
}
}
}Given a US street address and ZIP, return the owner of record and, if it is a business entity, its parent control group, how many homes the group holds and whether it is a large institutional investor under the ROAD Act (350+ homes). Coverage: entity-owned single-family homes in 17 large counties (Houston, Dallas, Fort Worth, San Antonio, Austin, Plano, Phoenix, Las Vegas, Atlanta metro, Tampa, Orlando, Jacksonville, Charlotte, Memphis).
| Argument | Type | Description |
|---|---|---|
| zip* | string | 5-digit ZIP |
| address* | string | Street address, e.g. '2746 Lofty Elm St' |
{
"type": "object",
"required": [
"address",
"zip"
],
"properties": {
"zip": {
"type": "string",
"description": "5-digit ZIP"
},
"address": {
"type": "string",
"description": "Street address, e.g. '2746 Lofty Elm St'"
}
}
}We read every tool's name, description and inputs the way the model will, looking for instructions hidden from you. A clean result means no warning signs, not a guarantee. Scanned Nov 6, 2026.
What changed in this server's tools since we started watching, newest first. Each change is scanned again.
Live through earnings season: BDC funds that cut a first-lien loan's mark by 5+ points from Jun 30 to Sep 30 2026, pulled from each Q3 10-Q on EDGAR the day it is filed, biggest cut first, with the holders that have not filed Q3 yet and still carry the same loan 5+ points higher (likely next markdowns). Free: the top 10. full=true: every cut with every pending holder, $0.25 per call over x402 (USDC on Base) or with a Tensorust key.
US companies whose first-lien loan two or more BDC managers mark 10+ points apart at 2026-06-30 (SEC filings), widest gap first: borrower, lowest and highest manager, marks and par. Free: the top 10. full=true: the full list with every fund's mark, par, prior-quarter mark and filing link, $0.25 per call over x402 (USDC on Base) or with a Tensorust key.
Private credit marks for a US company: every BDC (business development company) fund that holds its first-lien term loan, the fair value each reported as a share of par in its 10-Q for 2026-06-30 (SEC filings), the manager (Ares, Blue Owl, Goldman, Golub, Apollo...) and how far the lenders disagree. A low mark by one manager tends to lead: lenders 10-20 points above the lowest peer cut by 5+ points the next quarter 20.4% of the time vs 2.8% when lenders agree. Free: lowest and highest manager mark, the gap and three funds. full=true: every fund's mark, par, prior-quarter mark and filing link, $0.05 per call over x402 (USDC on Base) or with a Tensorust key.
List the federal rules Tensorust models (ROAD Act investor ban, DoD SF 328 ownership disclosure, FCC foreign adversary attestation, Upper C-band elections, E-Rate deadlines) with counts and the first organizations each applies to. Pass rule_id for one rule (first 25 names, free); add full=true for the full named list with evidence, $0.25 per call over x402 (USDC on Base), or with a Tensorust Radar or Ontology key.
{
"type": "object",
"properties": {
"full": {
"type": "boolean",
"description": "With rule_id, true returns every organization the rule applies to, with evidence. Costs $0.25 per call in USDC on Base over x402, or free with a Tensorust key. Omit for the first 25 names, free."
},
"rule_id": {
"type": "string",
"description": "Optional, e.g. ROAD-1001, DFARS-FOCI, FCC-FAC"
}
}
}{
"type": "object",
"properties": {
"full": {
"type": "boolean",
"description": "With rule_id, true returns every organization the rule applies to, with evidence. Costs $0.25 per call in USDC on Base over x402, or free with a Tensorust Radar or Ontology key. Omit for the first 25 names, free."
},
"rule_id": {
"type": "string",
"description": "Optional, e.g. ROAD-1001, DFARS-FOCI, FCC-FAC"
}
}
}